if(!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2}[com|org|net|gov|biz|info|name|aero|biz|info|jobs|museum])$", $email))
          $errors[] = "A \"Valid e-Mail Address\" is required";